<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>

<div id="app">
    {{message}}
</div>
<h1>ffdf3</h1>
<div id="app2">
    {{message}}
</div>
<div id="app3">
    <span v-bind:title="message">看动态信息 </span>
</div>
<script src = "https://cdn.jsdelivr.net/npm/vue@2.5.21/dist/vue.min.js"></script>
<script>

    var vm = new Vue({
        el: "#app",
        data:{
            message: "hello,vue2!"
        }
    });
    var vm1 = new Vue({
        el: "#app2",
        data:{
            message: "hello,vue111!"
        }
    });
    var vm2 = new Vue({
        el: "#app3",
        data:{
            message: "hello,vue111!"
        }
    });
</script>
</body>
</html>